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improved making sure that edges are not drawn twice

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This commit is contained in:
Zeno Rogue 2021-04-23 20:29:41 +02:00
parent 831d699270
commit 2893a3709b
1 changed files with 16 additions and 8 deletions
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24
pattern2.cpp
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@ -2611,10 +2611,18 @@ EX namespace linepatterns {
#define ATCENTER(T) \
[] (linepattern *lp) { auto& col = lp->color; shiftmatrix V = gmatrix[cwt.at]; T}
/** for functions drawing edges, ensure that the edge is drawn only in one direction */
template<class T> bool way(T*c, int i) {
T* c2 = c->move(i);
if(c == c2)
return i <= c->c.spin(i);
return c2 > c;
}
linepattern patDual("dual grid", 0xFFFFFF00, always_available,
ALLCELLS(
forCellIdEx(c2, i, c) if(c2 > c) {
forCellIdEx(c2, i, c) if(way(c,i)) {
gridlinef(V, C0, V * currentmap->adj(c, i), C0, col, 2 + vid.linequality);
}
)
@ -2622,14 +2630,14 @@ EX namespace linepatterns {
linepattern patHepta("heptagonal grid", 0x0000C000, always_available,
ALLCELLS(
forCellIdEx(c2, i, c) if(c2 > c) if(pseudohept(c) == pseudohept(c2))
forCellIdEx(c2, i, c) if(way(c,i)) if(pseudohept(c) == pseudohept(c2))
gridlinef(V, C0, V * currentmap->adj(c, i), C0, col, 2 + vid.linequality);
)
);
linepattern patRhomb("rhombic tesselation", 0x0000C000, always_available,
ALLCELLS(
forCellIdEx(c2, i, c) if(c2 > c) if(pseudohept(c) != pseudohept(c2))
forCellIdEx(c2, i, c) if(way(c,i)) if(pseudohept(c) != pseudohept(c2))
gridlinef(V, C0, V * currentmap->adj(c, i), C0, col, 2 + vid.linequality);
)
);
@ -2646,7 +2654,7 @@ EX namespace linepatterns {
linepattern patNormal("normal tesselation", 0x0000C000, always_available,
ALLCELLS(
for(int t=0; t<c->type; t++)
if(c->move(t) && c->move(t) < c)
if(c->move(t) && way(c,t))
gridline(V, get_corner_position(c, t),
get_corner_position(c, (t+1)%c->type),
col, 1 + vid.linequality);
@ -2665,7 +2673,7 @@ EX namespace linepatterns {
linepattern patBigRings("big triangles: rings", 0x00606000, cheating,
ALLCELLS(
if(is_master(c) && !euclid) for(int i=0; i<S7; i++)
if(c->master->move(i) && c->master->move(i) < c->master && c->master->move(i)->dm4 == c->master->dm4)
if(c->master->move(i) && way(c->master, i) && c->master->move(i)->dm4 == c->master->dm4)
gridlinef(V, C0, xspinpush0(-2*M_PI*i/S7 - master_to_c7_angle(), cgi.tessf), col, 2 + vid.linequality);
)
);
@ -2798,7 +2806,7 @@ EX namespace linepatterns {
);
linepattern patGoldbergSep("Goldberg", 0xFFFF0000, [] { return GOLDBERG || INVERSE; },
ALLCELLS(
forCellIdEx(c2, i, c) if(c2->master != c->master)
forCellIdEx(c2, i, c) if(c2->master != c->master && way(c, i))
gridlinef(V, C0, V*currentmap->adj(c, i), C0,
col,
1 + vid.linequality);
@ -2806,7 +2814,7 @@ EX namespace linepatterns {
);
linepattern patArcm("Archimedean", 0xFFFF0000, [] { return arcm::in(); },
ALLCELLS(
if(!pseudohept(c)) forCellIdEx(c2, i, c) if(c < c2 && !pseudohept(c2))
if(!pseudohept(c)) forCellIdEx(c2, i, c) if(way(c, i) && !pseudohept(c2))
gridlinef(V, C0, V*currentmap->adj(c, i), C0,
col,
1 + vid.linequality);